Urdaibai
IUCN IVBiosphere Reserve · 1989
221 km²
Commune · ESP
Spain
Species observed
7 894
Observations
612 100
Area
2 013,3km²
Sample of 31 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Tissu écologique de n.a. (261) : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 71 interactions GloBI sur 3 types (connectance 15.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
7 894 distinct species · 612 100 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
13,2°C
Annual rain
1 323mm
Warmest m°
22,1°C
Coldest m°
5,1°C
Elevation: 269 m on average (min -36 m, max 1 284 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
5,5
Org. C
57,3g/kg
Clay
26,7%
Sand
31,6%
Silt
41,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Vizcaya
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
528,5km
Basins crossed
6
Max stream order
5
Max drainage
5 775km²
Discharge in basins
22,9m³/s
Mean precip.
1 128mm/an
Mean T°
12,8°C
Moisture idx
0,28
Max snow
11%
Mean runoff
758mm/an
Mean elev. (basins)
318m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
3hab/km²
Night light
6,1nW
Built-up
148,6%
Pesticides
16,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Biosphere Reserve · 1989
221 km²
Special Areas of Conservation (Habitats Directive) · 2016
202 km²
Natural Park · 1994
195 km²
Special Protection Area (Birds Directive) · 2014
175 km²
Marine Protected Area (OSPAR) · 2014
175 km²
Special Areas of Conservation (Habitats Directive) · 2015
65 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN